Frequencies for first 10,000 rows of drg4ing1 variable in nhamcsopd2003 dataset : ingredient code #1 for medication | #4 | Freq. Percent Cum. ------------------------------------+----------------------------------- acetaminophen | 37 0.37 0.37 aluminum hydroxide | 1 0.01 0.38 aluminum sulfate | 1 0.01 0.39 amoxicillin | 3 0.03 0.42 amylase | 1 0.01 0.43 antipyrine | 1 0.01 0.44 aspirin | 2 0.02 0.46 benazepril hydrochloride | 1 0.01 0.47 benzocaine | 1 0.01 0.48 benzyl alcohol | 1 0.01 0.49 biotin | 1 0.01 0.50 calcium | 1 0.01 0.51 calcium carbonate | 2 0.02 0.53 chlorpheniramine | 1 0.01 0.54 dextrose | 3 0.03 0.57 diphenoxylate | 2 0.02 0.59 diphtheria toxoid | 7 0.07 0.66 ergocalciferol | 7 0.07 0.73 fluticasone propionate | 9 0.09 0.82 folic acid | 1 0.01 0.83 glyburide | 5 0.05 0.88 hepatitis b vaccine | 2 0.02 0.90 hydrochlorothiazide | 3 0.03 0.93 ibuprofen | 1 0.01 0.94 insulin | 1 0.01 0.95 ipratropium bromide | 2 0.02 0.97 measles virus vaccine | 4 0.04 1.01 methyl anthranilate | 1 0.01 1.02 mineral oil | 1 0.01 1.03 multivitamins general | 13 0.13 1.16 nystatin | 1 0.01 1.17 sulfamethoxazole | 6 0.06 1.23 vitamin a | 1 0.01 1.24 vitamin b-12 | 1 0.01 1.25 vitamin c | 1 0.01 1.26 zidovudine | 2 0.02 1.28 desogestrel | 1 0.01 1.29 chondroitin | 1 0.01 1.30 norgestimate | 1 0.01 1.31 dorzolamide hcl | 1 0.01 1.32 polymyxin b | 1 0.01 1.33 polymyxin b sulfate | 1 0.01 1.34 brompheniramine maleate | 1 0.01 1.35 amphetamine aspartate | 1 0.01 1.36 bupivacaine hcl | 4 0.04 1.40 chlorpheniramine tannate | 2 0.02 1.42 . | 9,858 98.58 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016